CN203827160U - Compact power unit for wind power converter - Google Patents
Compact power unit for wind power converter Download PDFInfo
- Publication number
- CN203827160U CN203827160U CN201420202907.1U CN201420202907U CN203827160U CN 203827160 U CN203827160 U CN 203827160U CN 201420202907 U CN201420202907 U CN 201420202907U CN 203827160 U CN203827160 U CN 203827160U
- Authority
- CN
- China
- Prior art keywords
- electric converter
- wind electric
- type power
- unit
- compact type
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/76—Power conversion electric or electronic aspects
Abstract
The utility model relates to a power unit structure in a wind power converter. The power unit structure comprises IGBT modules, a direct-current capacitor group, a water-cooling heat dissipation plate and a driving board. The IGBT modules are mounted on the driving board and the water-cooling heat dissipation plate. The power unit structure comprises two IGBT modules, and the two IGBT modules are mounted on the same driving board and driven by the same driving board. The two IGBT are mounted on the same water-cooling heat dissipation plate. The power unit structure further comprises a composite busbar and a housing. The direct-current capacitor group is mounted at the upper part of the housing, and the water-cooling heat dissipation plate is mounted at the lower part of the housing. The two IGBT modules are mounted on the outer side of the water-cooling heat dissipation plate. The composite busbar is arranged on the outer side of the direct-current capacitor group and the two IGBT modules. The upper part of the composite busbar is connected with the direct-current capacitor group, and the lower part of the composite busbar is connected with the two IGBT modules. The power unit structure provided by the utility model is compact in structure and convenient and simple in installation, and has the lowest internal stray inductance and balanced current.
Description
Technical field
the utility model relates to the power cell structure in a kind of wind electric converter, specifically a kind of for the novel of 2MW wind electric converter tube power unit.
Background technology
In wind generator system, in order to meet the requirement of different wind-powered electricity generation producer, different regions, varying environment, installation should be the smaller the better with the wind electric converter cabinet size in tower cylinder, and the size of wind electric converter cabinet depends on the size of the power cell that is arranged on wind electric converter cabinet inside to a great extent.
The IGBT module of existing power cell has 2 situations in parallel, but each IGBT module is used independent drive plate, the profile of drive plate makes the spacing of two IGBT intermodules large, cause the water-cooling board size of installation IGBT module large, power cell overall dimensions is also bigger than normal, has virtually also increased manufacturing cost.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of compact conformation, the wind electric converter compact type power unit that size is little.
Wind electric converter compact type power of the present utility model unit, comprises IGBT module, DC capacitor group, water-cooling plate and drive plate, and described IGBT module is arranged on drive plate and water-cooling plate; It comprises two IGBT modules, and described two IGBT modules are arranged on same drive plate, driven, and described two IGBT modules is arranged on same water-cooling plate by same drive plate.
It also comprises composite bus bar, housing, and the top of described housing is provided with DC capacitor group, and bottom is provided with water-cooling plate; The outside of described water-cooling plate is provided with two IGBT modules, the arranged outside that is positioned at described DC capacitor group and two IGBT modules has a composite bus bar, the top of described composite bus bar is connected with described DC capacitor group, and bottom is connected with two IGBT modules.
The outside on described composite bus bar top is covered with a cover plate, is provided with a lot of long waist-shaped holes on described cover plate.
Each DC capacitor in described DC capacitor group is pyknic direct current thin-film capacitor.
The bottom of described wind electric converter compact type power unit is provided with the interchange outlet row of the total interchange leading-out terminal of conduct.
The bottom of described wind electric converter compact type power unit is provided with a π type copper bar, and described interchange outlet row is arranged on described π type row's middle part.
The positive-negative polarity direction of described DC capacitor is consistent with the polar orientation of IGBT module.
The outside of described composite bus bar bottom is connected with Absorption Capacitance.
The utility model according to the advantage of this assembling mode is: 1. drive 2 IGBT modules by a drive plate, reduced the size of water-cooling plate.2. use a monoblock composite bus bar to connect IGBT module and DC capacitor group, saved space.3. select pyknic direct current thin-film capacitor, make thickness, the degree of depth, highly all as far as possible little of wind electric converter compact type power unit.4. DC capacitor positive-negative polarity direction is consistent with IGBT module polar orientation, makes current direction first pass through DC capacitor group, then arrives IGBT module, makes DC capacitor the shortest to the connection distance of IGBT module.5. described in, π type copper bar middle part connects one section of vertical interchange outlet row, as total interchange leading-out terminal of wind electric converter compact type power unit.Ensure that IGBT module exchanges out line current through path symmetry, current balance.6. the long waist-shaped hole that is provided with a lot of heat radiations on cover plate, radiating condition is good, and device temperature rise is little.7. the utility model compact conformation, easy for installation simple, the inner stray inductance minimum of power cell, current balance, has reduced company and has manufactured and on-site maintenance cost.
Brief description of the drawings
Fig. 1 is the front view of the utility model embodiment;
Fig. 2 is the cutaway view of Fig. 1;
Fig. 3 is the end view of the utility model embodiment;
Fig. 4 is the stereogram of the utility model embodiment.
Embodiment
As shown in the figure: a kind of wind electric converter compact type power unit, comprises IGBT module 1, DC capacitor group 2, water-cooling plate 3, composite bus bar 4, drive plate 5, Absorption Capacitance 8, exchanges outlet row 10, housing 6, cover plate 7.
Described housing 6 is formed by a panel beating flanging, and the top of described housing 6 is provided with DC capacitor group 2, and each DC capacitor in described DC capacitor group 2 is selected pyknic direct current thin-film capacitor.
The bottom of described housing 6 is provided with a mounting panel 11, and the outside of described mounting panel 11 is provided with water-cooling plate 3, is connected with water inlet pipe 31 and outlet pipe 32 on described water-cooling plate 3, and the outside of described water-cooling plate 3 is provided with two IGBT modules 1.The both positive and negative polarity terminals height that ensures IGBT module 1 after installation is identical with the height of DC capacitor group 2, and the composite bus bar 4 that then uses a monoblock vertically to place connects IGBT module 1 and DC capacitor group 2.The outside that described composite bus bar 4 connects the positive and negative terminals of IGBT module 1 place is provided with 4 Absorption Capacitances 8.
Described two IGBT modules 1 are arranged on the parallel drive plate 5 that is positioned at its outside, and are driven by the parallel drive plate 5 of same.
The arranged outside that is positioned at described parallel drive plate 5 has π type copper bar 9, and described π type copper bar middle part connects one section of vertical interchange outlet row 10, as total interchange leading-out terminal of wind electric converter compact type power unit.
The outside on described composite bus bar 4 tops is covered with a cover plate 7, is provided with the long waist-shaped hole of a lot of heat radiations on described cover plate 7.
Power cell overall structure size decreases, on front view, the widest size only has 150mm, the most deeply be of a size of 400mm, whole height 780mm, the reserved enough operating spaces of size on height for the connection of fixing, the direct current both positive and negative polarity of power cell, exchange the connection of leading-out terminal.
Claims (8)
1. a wind electric converter compact type power unit, comprises IGBT module (1), DC capacitor group (2), water-cooling plate (3) and drive plate (5), and described IGBT module (1) is arranged on drive plate (5) and water-cooling plate (3); It is characterized in that: it comprises two IGBT modules (1), described two IGBT modules (1) are arranged on same drive plate (5), driven by same drive plate (5), and described two IGBT modules (1) are arranged on same water-cooling plate (3).
2. wind electric converter compact type power according to claim 1 unit, is characterized in that: it also comprises composite bus bar (4), housing (6), and the top of described housing is provided with DC capacitor group (2), and bottom is provided with water-cooling plate (3); The outside of described water-cooling plate (3) is provided with two IGBT modules (1), the arranged outside that is positioned at described DC capacitor group (2) and two IGBT modules (1) has a composite bus bar (4), the top of described composite bus bar (4) is connected with described DC capacitor group (2), and bottom is connected with two IGBT modules (1).
3. wind electric converter compact type power according to claim 2 unit, is characterized in that: the outside on described composite bus bar (4) top is covered with a cover plate (7), is provided with a lot of long waist-shaped holes on described cover plate (7).
4. wind electric converter compact type power according to claim 1 unit, is characterized in that: each DC capacitor in described DC capacitor group (2) is pyknic direct current thin-film capacitor.
5. wind electric converter compact type power according to claim 1 unit, is characterized in that: the bottom of described wind electric converter compact type power unit is provided with the interchange outlet row (10) of the total interchange leading-out terminal of conduct.
6. wind electric converter compact type power according to claim 5 unit, it is characterized in that: the bottom of described wind electric converter compact type power unit is provided with a π type copper bar (9), described interchange outlet row (10) is arranged on described π type row's (9) middle part.
7. wind electric converter compact type power according to claim 1 unit, is characterized in that: the positive-negative polarity direction of described DC capacitor (2) is consistent with the polar orientation of IGBT module (1).
8. wind electric converter compact type power according to claim 2 unit, is characterized in that: the outside of described composite bus bar (4) bottom is connected with Absorption Capacitance (8).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420202907.1U CN203827160U (en) | 2014-04-24 | 2014-04-24 | Compact power unit for wind power converter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420202907.1U CN203827160U (en) | 2014-04-24 | 2014-04-24 | Compact power unit for wind power converter |
Publications (1)
Publication Number | Publication Date |
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CN203827160U true CN203827160U (en) | 2014-09-10 |
Family
ID=51482621
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201420202907.1U Expired - Fee Related CN203827160U (en) | 2014-04-24 | 2014-04-24 | Compact power unit for wind power converter |
Country Status (1)
Country | Link |
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CN (1) | CN203827160U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103956885A (en) * | 2014-04-24 | 2014-07-30 | 江苏大全箱变科技有限公司 | Compact power unit of wind power converter |
CN106549584A (en) * | 2016-12-26 | 2017-03-29 | 北京金风科创风电设备有限公司 | Power module of wind power converter |
CN106992691A (en) * | 2016-01-20 | 2017-07-28 | 法雷奥电机控制系统公司 | Particularly for the electronic equipment of motor vehicles |
-
2014
- 2014-04-24 CN CN201420202907.1U patent/CN203827160U/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103956885A (en) * | 2014-04-24 | 2014-07-30 | 江苏大全箱变科技有限公司 | Compact power unit of wind power converter |
CN106992691A (en) * | 2016-01-20 | 2017-07-28 | 法雷奥电机控制系统公司 | Particularly for the electronic equipment of motor vehicles |
CN106992691B (en) * | 2016-01-20 | 2021-03-09 | 法雷奥电机控制系统公司 | Electronic device for a motor vehicle |
CN106549584A (en) * | 2016-12-26 | 2017-03-29 | 北京金风科创风电设备有限公司 | Power module of wind power converter |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140910 Termination date: 20170424 |
|
CF01 | Termination of patent right due to non-payment of annual fee |